CN220759624U - All-plastic spray gun - Google Patents

Abstract

The utility model discloses a full-plastic spray gun, which comprises a housing, wherein the housing is connected with a gun body, a connector cap is arranged at the front end of the gun body, the connector cap is connected with a water distributing head body, the water distributing head body is inserted into the gun body, the gun body is hinged with a trigger, the trigger is connected with a piston, the piston is connected with a negative pressure column of the gun body in a sliding manner, a plastic spring is arranged at the upper end of the negative pressure column, the plastic spring is sleeved outside the gun body, the bottom end of the gun body is connected with a blank cap, the blank cap is connected with a large circle, a through straw is inserted in the blank cap, the straw is connected with the gun body, a water outlet is arranged corresponding to the straw, and glass beads are arranged in the water outlet in the gun body.

Description

All-plastic spray gun

Technical Field

The utility model relates to the technical field of spray guns, in particular to a full-plastic spray gun.

Background

The spray gun is mainly used for cleaning and greening in life, and is a spraying device, so that water or liquid in a bottle is sprayed out in the forms of mist, straight line and foam after being absorbed by a suction pipe.

Some existing sprayers for bottles basically use metal springs as power. The glass marble is used as a water diversion device, so that liquid corrodes the two accessories, the two accessories are indirectly slightly harmful to human bodies, the use is very not environment-friendly and unhealthy, the recycling treatment is difficult, the traditional metal spring and glass marble parts are not arranged, the whole plastic structural design is adopted, the whole spray gun is only made of two materials, the whole spray gun can be wholly recycled, at present, although the continuous pressing function can be realized, the spraying aim is achieved, the continuous pressing assembly structure for realizing spraying is complex, the continuous pressing assembly structure is formed by matching parts such as a piston, a spring and a longitudinal one-way valve, and the parts are independent split parts, so that the assembly process of a product is complex.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a full-plastic spray gun which comprises a housing, wherein the housing is connected with a gun body, a head cap is connected with a water distributing head body, the water distributing head body is inserted into the gun body, the gun body is hinged with a trigger, the trigger is connected with a piston, the piston is connected with a negative pressure column of the gun body in a sliding manner, a plastic spring is arranged at the upper end of the negative pressure column, the plastic spring is sleeved outside the gun body, the bottom end of the gun body is connected with a blank cap, the blank cap is connected with a large ring, a through straw is inserted in the blank cap, the straw is connected with the gun body, a water outlet hole is formed in the gun body corresponding to the straw, and glass beads are arranged in the water outlet hole.

Preferably: the gun is characterized in that a limiting ring is arranged on the upper end face of the bottom of the gun body, the limiting ring is arranged in a semicircular shape, and a buckle is arranged on the side edge of the limiting ring, located on the gun body.

Preferably: the trigger inboard is provided with first draw-in groove, and first draw-in groove is used for installing the piston rod, and the piston rod is connected the piston, and the trigger is located first draw-in groove top department and has seted up the second draw-in groove, and the second draw-in groove is used for connecting plastic spring.

Preferably: the inner wall of the top of the housing is provided with a slot corresponding to the gun body, the inner wall of the bottom of the housing is provided with a clamping block, and the clamping block is provided with an arc-shaped groove.

Preferably: the gun body is provided with a clamp, the clamp comprises a clamp and a support bar, the clamp is provided with an opening, and the side wall of the clamp is fixedly connected with the support bar.

Preferably: the top of the large ring is provided with a flange which is annular, and a gasket is arranged below the flange inside the large ring.

Preferably: the open position in rear end department of lid and water knockout drum body accessible buckle cooperates, water knockout drum body and spring water knockout drum pole interference fit.

Preferably: the plastic spring comprises a first supporting part and a second supporting part, an inserting block is arranged at the joint of the upper ends of the first supporting part and the second supporting part and used for being inserted into a second clamping groove, the bottom ends of the first supporting part and the second supporting part are connected with a bottom supporting part, and the bottom supporting part is provided with a groove.

Preferably: the upper end face of the joint of the housing and the head cap is provided with a locking piece.

Preferably: the inner wall of the helmet is provided with a liquid inlet groove near the water outlet, the edge of the contact end surface of the helmet and the convex rib is provided with four convex parts, the four convex parts are positioned at the corners of the helmet, and a limiting groove is arranged between every two adjacent convex parts.

The utility model has the technical effects and advantages that:

1. in the utility model, the plastic spring is adopted to play a supporting role, so that the spray gun can be integrally recovered, the metal spring is prevented from being adopted as power, and the spring is prevented from being corroded by liquid to cause pollution of the liquid.

2. In the utility model, the trigger pushes the piston to compress water into the gun body, at the moment, the glass beads in the blank cap drop to seal the blank cap to prevent water from flowing back, the liquid flows upwards to the spring water diversion rod, the liquid pushes the spring water diversion rod to compress, the spring water diversion rod is reset through elasticity to push out the liquid to generate continuous pressure, and mist is generated through the head cap under strong pressure and high speed.

3. According to the utility model, the spring water diversion rod is arranged in the water diversion head body, and then the spring water diversion rod is fixed through the cover body, so that the structure is simple, and the installation cost is low.

3. According to the utility model, the locking piece is matched with the limiting groove, so that the helmet has a locking function, the helmet is not easy to rotate, and the safety is improved.

4. In the utility model, the gasket and the flange are arranged to protect the bottleneck, so that the damage of the bottleneck caused by the collision of the spray gun to other objects in transportation is prevented.

5. According to the utility model, the arranged clip can prevent the trigger from colliding with other objects during transportation, so that liquid leakage is caused at the matching position of the piston and the gun body.

Drawings

FIG. 1 is a schematic view of an all-plastic spray gun according to an embodiment of the present application;

FIG. 2 is an exploded view of an all plastic spray gun provided in an embodiment of the present application;

FIG. 3 is a cross-sectional view of an all plastic spray gun provided in an embodiment of the present application;

FIG. 4 is a schematic view of the structure of the housing in the all plastic spray gun provided in the embodiment of the present application;

FIG. 5 is a schematic view of the structure of a clip in an all plastic spray gun provided in an embodiment of the present application;

FIG. 6 is a schematic view of the large ring of the full plastic spray gun according to the embodiment of the present application;

FIG. 7 is a cross-sectional view of a large collar in an all plastic spray gun provided in an embodiment of the present application;

FIG. 8 is a schematic view of the structure of the water head body in the full plastic spray gun according to the embodiment of the present application;

FIG. 9 is a schematic view of the rear end of the tap body in the full plastic spray gun according to the embodiment of the present application;

FIG. 10 is a schematic view of the structure of a spring water diversion rod in an all-plastic spray gun provided by an embodiment of the present application;

FIG. 11 is a schematic view of the structure of the rear end of the spring water diversion rod in the all-plastic spray gun provided by the embodiment of the application;

FIG. 12 is a schematic view of the structure of a cover of the full plastic spray gun according to the embodiment of the present application;

FIG. 13 is a front view of an all plastic spray gun provided in an embodiment of the present application;

FIG. 14 is a schematic view of the structure of a plastic spring in an all plastic spray gun provided in an embodiment of the present application;

FIG. 15 is a side view of a plastic spring in an all plastic spray gun provided in an embodiment of the present application;

FIG. 16 is a schematic view of an alternative embodiment of an all plastic spray gun;

FIG. 17 is a schematic view of the housing of the plastic spray gun according to another embodiment;

fig. 18 is a schematic view of the structure of a headgear in an all plastic spray gun according to another embodiment.

In the figure: 1. a housing; 101. a slot; 102. a clamping block; 103. a locking member; 2. a headgear; 201. a liquid inlet tank; 202. a boss; 203. a limit groove; 204. a convex surface; 3. a trigger; 301. a first clamping groove; 302. a second clamping groove; 4. a piston; 401. a piston rod; 5. a clip; 501. a clamp; 502. a support bar; 6. a large circle; 601. a flange; 602. a gasket; 7. a gun body; 701. a water outlet hole; 702. a communication hole; 703. a buckle; 704. an arc-shaped hole; 705. a bar-shaped hole; 706. a limiting ring; 707. a convex rib; 708. clamping strips; 709. a water inlet hole; 8. a plastic spring; 801. a first support portion; 802. a second supporting part; 803. a bottom support; 804. a groove; 805. inserting blocks; 806. a first end face; 807. a second end face; 808. a third end face; 809. a fourth end face; 810. a fifth end face; 811. a boss; 9. a water dividing head body; 91. a front section portion; 92. a rear section portion; 93. a first opening; 94. a second opening; 95. a shoulder; 96. convex ribs; 97. continuously pressing the cavity; 10. a cover is closed; 11. a suction pipe; 12. glass beads; 13. a cover body; 131. positioning columns; 14. a spring water dividing rod; 141. a positioning seat; 142. a sealing part; 143. a spring arm; 144. a seal ring; 145. a cambered surface structure; 146. a guide post; 147. and positioning holes.

Detailed Description

The utility model will be described in further detail with reference to the drawings and the detailed description. The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Referring to fig. 1, 2 and 3, in this embodiment, a full plastic spray gun is provided, which comprises a housing 1, the housing 1 is connected with a gun body 7, a front end connector cap 2 of the gun body 7, the head cap 2 is connected with a water diversion head body 9, the water diversion head body 9 is inserted with a spring water diversion rod 14, the spring water diversion rod 14 is inserted with a cover 13, the water diversion head body 9 is inserted into the gun body 7, the gun body 7 is hinged with a trigger 3, the trigger 3 is connected with a piston 4, the piston 4 is slidingly connected with a negative pressure column of the gun body 7, a finger pulls the trigger 3 to drive the piston 4 to move along the negative pressure column of the gun body 7, a plastic spring 8 is arranged at the upper end of the negative pressure column, the plastic spring 8 is sleeved outside the gun body 7, one end of the plastic spring 8 is connected with the trigger 3, the bottom end of the gun body 7 is connected with a sealing cap 10, the sealing cap 10 is connected with a large ring 6, the through straw 11 is inserted into the blank cap 10, the straw 11 is connected with the gun body 7, the gun body 7 is provided with a water outlet 701 corresponding to the straw 11, the gun body 7 is internally provided with a glass bead 12 positioned in the water outlet 701, the glass bead 12 is positioned at the upper end of the straw 11, the bottom of the water outlet 701 is communicated with a communication hole 702, the communication hole 702 is communicated with a negative pressure column, a water inlet 709 is formed in the position, below the communication hole 702, of the gun body 7, a limiting ring 706 is arranged on the upper end surface of the bottom of the gun body 7, the limiting ring 706 is arranged in a semicircular shape, a buckle 703 is arranged on the side edge of the limiting ring 706, the buckle 703 is matched with the housing 1, the housing 1 is prevented from being separated from the buckle 703, the spring water diversion rod is installed in the water diversion head body, the spring water diversion rod is fixed through the cover body, the structure is simple, and the installation cost is low.

Further, a first clamping groove 301 is formed in the inner side of the trigger 3, the first clamping groove 301 is used for installing a piston rod 401, the piston rod 401 is connected with the piston 4, a second clamping groove 302 is formed in the position, above the first clamping groove 301, of the trigger 3, and the second clamping groove 302 is used for being connected with the plastic spring 8.

The finger pulls trigger 3, extrudes plastic spring 8 and takes place deformation, drives piston 4 simultaneously and gets into the negative pressure post, loosens trigger 3, and plastic spring 8 resets, promotes trigger 3 to reset, and liquid gets into the negative pressure post inside by straw 11 and inlet port 709, presses trigger 3, and piston 4 gets into the negative pressure post inside, extrudes liquid and gets into apopore 701 from intercommunicating pore 702 department, and at this moment, the glass bead 12 sagging in the blank cap 10 seals blank cap 10, prevents the liquid backward flow, and the liquid flows upward to the position of dividing the water head body 9, and liquid produces thin water route and rotatory water route and spouts through head cap 2.

In this embodiment, referring to fig. 2 and 4, an inner wall at the top of the housing 1 is provided with a slot 101 corresponding to the gun body 7, an inner wall at the bottom of the housing 1 is provided with a clamping block 102, the clamping block 102 is provided with an arc-shaped groove, the clamping block 102 is inserted into a gap between the clamping block 703 and the bottom of the gun body 7 to prevent displacement between the bottom of the housing 1 and the gun body 7, a clamping strip 708 is provided at the top of the gun body 7, the clamping strip 708 is inserted into the slot 101, a protrusion is provided at the tail end of the clamping strip 708, when the clamping strip 708 is inserted into the slot 101, the tail end of the clamping strip 708 is inserted into the slot 101, the protrusion is attached to the tail end of the slot 101, and meanwhile, the arc-shaped inner wall of the groove at the clamping block 102 is attached to the outer wall of the gun body 7, so that the housing 1 and the gun body 7 are mounted to prevent looseness of the gun body 7.

In this embodiment, referring to fig. 5, a clip 5 is provided on a gun body 7, the clip 5 includes a clip 501 and a supporting bar 502, the clip 501 is provided with an opening, a side wall of the clip 501 is fixedly connected with the supporting bar 502, a side section of the supporting bar 502 is in an inverted T shape, during installation, one end of the supporting bar 502 is attached to an inner wall of a trigger 3, the other end of the supporting bar 502 is attached to an outer wall of the gun body 7, the clip 501 is clamped on the outer side of a negative pressure column, and during transportation, the trigger 3 is prevented from being bumped into other objects, so that liquid leakage is caused at a matching position of a piston 4 and the gun body 7.

In this embodiment, referring to fig. 6 and 7, a flange 601 is provided at the top of the large ring 6, the flange 601 is annular, the flange 601 is in an inverted cone shape, a gasket 602 is installed below the flange 601 inside the large ring 6, the gasket 602 is in a circular ring shape, after the large ring 6 is connected with the gun body 7, the upper end face of the flange 601 is tightly attached to the bottom end of the gun body 7, leakage of liquid at the large ring 6 can be prevented, the provided gasket 602 and flange 601 play a role in protecting the bottle mouth, and the spray gun is prevented from colliding with other objects during transportation, so that the bottle mouth is damaged.

In this embodiment, referring to fig. 8-12, the open position of the rear end of the cover 13 and the water diversion head body 9 may be matched by a buckle, so that liquid can be effectively isolated from entering the interior of the spring water diversion rod 14, the continuous pressing function is avoided, the whole water diversion head body 9 is columnar, the interior of the water diversion head body 9 is provided with a continuous pressing cavity 97, the continuous pressing cavity 97 is used for inserting the spring water diversion rod 14, the junction of the water diversion head body 9 located at the front section 91 and the rear section 92 is provided with a shoulder 95, the shoulder 95 divides the water diversion head body 9 into a front section 91 located at the front section and a rear section 92 located at the rear section along the length direction, the end of the front section 91 is provided with a diversion groove for spraying liquid together with the head cap 2, the front section 91 of the water diversion head body 9 is circumferentially provided with a second opening 94, each second opening 94 forms a liquid outlet communicated with the water outlet, the rear section 92 of the water diversion head body 9 is circumferentially provided with a first opening 93, each first opening 701 forms a convex rib 93 communicated with the rear section 92, and the end of the water diversion head body is provided with the convex rib 13.

The spring water diversion rod 14 comprises a positioning seat 141, a positioning hole 147 is formed in the positioning seat 141, a positioning column 131 is arranged in the positioning seat 147 corresponding to the positioning hole 147 of the cover body 13, the positioning column 131 is inserted into the positioning hole 147, the cover body 13 is connected with the convex rib 96, the spring water diversion rod 14 is installed in the water diversion head body 9, one side end of the positioning seat 141 is connected with an elastic arm 143, the elastic arm 143 is in an hourglass shape, the other end of the elastic arm 143 is connected with a sealing part 142, a sealing ring 144 is arranged at the outer edge of the sealing part 142, the spring water diversion rod 14 is inserted into the continuous pressing cavity 97, the sealing effect can be achieved through the sealing ring 144, the front end of the sealing part 142 is provided with an arc surface structure 145, the arc surface structure 145 is in sealing fit with the inner conical surface of the water diversion head body 9, the front end of the arc surface structure 145 is further provided with a guide column 146 extending forwards, the spring water diversion rod 14 is in interference fit with the water diversion head body 9, effective liquid enters the water diversion head body 9 to be isolated, and continuous pressing functions are avoided.

In this embodiment, referring to fig. 13, an arc hole 704 and a bar hole 705 are provided at the opening of the water outlet 701 of the gun body 7, so as to facilitate positioning and installation of the water distributing head body 9.

In this embodiment, referring to fig. 14 and 15, the plastic spring 8 includes a first supporting portion 801 and a second supporting portion 802, an insert 805 is disposed at a connection position of upper ends of the first supporting portion 801 and the second supporting portion 802, the insert 805 is used for being inserted into the second clamping groove 302, bottom ends of the first supporting portion 801 and the second supporting portion 802 are connected with a bottom supporting portion 803, the bottom supporting portion 803 is provided with a groove 804, the groove 804 is used for being clamped outside the gun body 7, a first end surface 806 is disposed at an upper end of the first supporting portion 801, a second end surface 807 is disposed at a lower end of the first supporting portion 801, a third end surface 808 is disposed at an outer side wall of the second supporting portion 802, a fourth end surface 809 is disposed at an inner side wall of the second supporting portion 802, a fifth end surface 810 is disposed at an upper end of the bottom supporting portion 803, a boss 811 is disposed at an inner side of the bottom supporting portion 803, and the boss 811 is clamped at a limiting ring 706 to prevent displacement of the bottom of the plastic spring 8.

Specifically, the included angle between the first end surface 806 and the fifth end surface 810 is 5 degrees, the deformation range of the included angle is 45-35 degrees, the included angle between the second end surface 807 and the fourth end surface 809 is 109 degrees, the deformation range of the included angle is 60-140 degrees, the included angle between the third end surface 808 and the fifth end surface 810 is 95 degrees, the deformation range of the included angle is 45-125 degrees, the included angle between the fourth end surface 809 and the fifth end surface 810 is 73 degrees, and the deformation range of the included angle is 20-100 degrees.

Through the design of each included angle in the plastic spring 8, the deformation angle of the plastic spring 8 pressed by the trigger 3 is 8 degrees plus or minus 20 degrees, when the trigger 3 is pressed, the plastic spring 8 is easy to deform, and when the trigger 3 is loosened, the plastic spring 8 is easy to reset.

In another embodiment, referring to fig. 16, 17 and 18, a locking member 103 is installed on the upper end surface of the connection part of the housing 1 and the helmet 2, a convex rib 707 is provided on the outer wall of the gun body 7 near the locking member 103, an annular groove is provided on the inner wall of the helmet 2 corresponding to the convex rib 707, so that the helmet 2 can be rotatably connected with the gun body 7, a liquid inlet groove 201 is provided on the inner wall of the helmet 2 near the water outlet, convex parts 202 are provided on the edge of the contact end surface of the helmet 2 and the convex rib 707, four convex parts 202 are provided on the corner of the helmet 2, a limit groove 203 is provided between two adjacent convex parts 202, a convex surface 204 is provided on the adjacent inner wall of the two convex parts 202, and the convex surface 204 is matched with the convex rib 707.

In this embodiment, the locking member 103 is configured to lock the nozzle by restricting the rotation of the headgear 2, and when the headgear 2 is unlocked, the upper end surface of the locking member 103 is pressed, so that the locking member 103 is disengaged from the headgear 2, and then the headgear 2 is rotated to open the nozzle, the locking member 103 is an elastic chuck, and the locking member 103 is matched with the limiting groove 203, so that the headgear 2 has a locking function, so that the headgear 2 is not easy to rotate, and safety is improved.

The working principle of the utility model is as follows:

according to the utility model, the head cap 2 has a locking function, so that the head cap 2 is not easy to rotate, the safety is improved, the plastic spring 8 is adopted to play a supporting role, the spray gun can be integrally recycled, the metal spring is prevented from being adopted as power, the spring is prevented from being corroded by liquid, the pollution of the liquid is avoided, the trigger pushes the piston to compress the water into the gun body, at the moment, the glass beads in the seal cap drop to seal the seal cap to prevent water from flowing back, the liquid flows upwards to the spring water diversion rod, the liquid pushes the spring water diversion rod to compress, the spring water diversion rod is reset through elasticity to push out the liquid to generate continuous pressure, and mist is generated through the head cap under strong pressure and high speed.

It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present utility model without the inventive step, are intended to be within the scope of the present utility model. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.

Claims (10)

1. The utility model provides an all plastic spray gun, includes housing (1), its characterized in that, housing (1) connects rifle body (7), rifle body (7) front end connector cap (2), head cap (2) are connected branch water head body (9), and branch water head body (9) cartridge has spring branch water pole (14), and spring branch water pole (14) cartridge has lid (13), branch water head body (9) insert in rifle body (7), rifle body (7) articulated trigger (3), piston (4) are connected to trigger (3), piston (4) sliding connection negative pressure post of rifle body (7), negative pressure post upper end is provided with plastics spring (8), plastics spring (8) suit is in rifle body (7) outside, the blank cap (10) are connected to rifle body (7) bottom, the big circle (6) are connected to blank cap (10), the straw (11) that the interpolation was run through are equipped with to blank cap (10), straw (11) connector (7), rifle body (7) are provided with the piston (4) and the negative pressure post, piston (8) sliding connection rifle body (7) are provided with the negative pressure post (701) outside the rifle body (7), the downthehole (701) is located the glass bead (12).

2. The full-plastic spray gun according to claim 1, wherein a limiting ring (706) is arranged on the upper end face of the bottom of the gun body (7), the limiting ring (706) is arranged in a semicircular shape, and a buckle (703) is arranged on the side edge of the gun body (7) located on the limiting ring (706).

3. An all-plastic spray gun according to claim 2, characterized in that a first clamping groove (301) is formed in the inner side of the trigger (3), the first clamping groove (301) is used for installing a piston rod (401), the piston rod (401) is connected with a piston (4), a second clamping groove (302) is formed in the position, above the first clamping groove (301), of the trigger (3), and the second clamping groove (302) is used for being connected with a plastic spring (8).

4. A full plastic spray gun according to claim 3, wherein the inner wall of the top of the housing (1) is provided with a slot (101) corresponding to the gun body (7), the inner wall of the bottom of the housing (1) is provided with a clamping block (102), and the clamping block (102) is provided with an arc-shaped groove.

5. An all plastic spray gun according to claim 1, characterized in that the gun body (7) is provided with a clamp (5), the clamp (5) comprises a clamp (501) and a support bar (502), the clamp (501) is provided with an opening, and the side wall of the clamp (501) is fixedly connected with the support bar (502).

6. An all-plastic spray gun according to claim 1, characterized in that the top of the large ring (6) is provided with a flange (601), the flange (601) is annular, and a gasket (602) is arranged below the flange (601) inside the large ring (6).

7. An all plastic spray gun according to claim 1, wherein the cover body (13) and the water diversion head body (9) are matched through a buckle at the position of the rear end opening, and the water diversion head body (9) is in interference fit with the spring water diversion rod (14).

8. The full plastic spray gun according to claim 1, wherein the plastic spring (8) comprises a first supporting portion (801) and a second supporting portion (802), an inserting block (805) is arranged at the joint of the upper ends of the first supporting portion (801) and the second supporting portion (802), the inserting block (805) is used for being inserted into the second clamping groove (302), the bottom ends of the first supporting portion (801) and the second supporting portion (802) are connected with a bottom supporting portion (803), and the bottom supporting portion (803) is provided with a groove (804).

9. An all plastic spray gun according to claim 1, characterized in that a locking member (103) is mounted on the upper end surface of the junction of the cover (1) and the head cap (2).

10. The full-plastic spray gun according to claim 9, wherein a liquid inlet groove (201) is formed in the inner wall of the head cap (2) close to the water outlet, protruding portions (202) are arranged at the edge of the contact end face of the head cap (2) and the protruding ribs (707), four protruding portions (202) are arranged at the corners of the head cap (2), and a limiting groove (203) is formed between every two adjacent protruding portions (202).